More than 2,000 police officers take part in anti-crime exercises before the 18th National Congress of the Communist Party of 皇冠体育app, in Zhengzhou city, capital of Central 皇冠体育app's Henan province, Oct 30, 2012. The exercise was jointly held by 18 police departments from 18 cities in Henan. The meeting will be convened on Nov 8, with more than 2,000 CPC delegates. [Photos/Asianewsphoto]
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